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WINSTONCH [101]
3 years ago
13

Most of the internal operations in a computer use hexagonal numbering true or false

Computers and Technology
1 answer:
dolphi86 [110]3 years ago
4 0

Answer:

True

Explanation:

The hexadecimal numbering is the most used numeric system for international operations in a computer, in our daily life we use the decimal system but for the CPU use the byte or octet as a basic unit of memory, we need more than 10 digits, and the hexadecimal system has 16, in addition, the binary system is hard to understand.

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A program is expressed in a programming language. Whiat is true of the program?
zalisa [80]

Answer:

The answer is "The program can also be expressed as a binary code, but it is easier for people to understand when it is expressed in a higher programming language".

Explanation:

In the given question some details are missing that is options of the question that can be given as follows:

A. The program can also be expressed as a binary code, but it is easier for people to understand when it is expressed in a higher programming language.  

B. The program can also be represented as a binary code that reduces the likelihood of errors.  

C. Binary code can not be used for binary code, because binary code can only represent data.  

D. Some parts of the program, however, should be printed in a higher-level language for the operation.  

The computer knows the only binary language, It is a form of 0 and 1, but this language can't be understood by the user. It will convert into high-level language, that is understood by the user, that's why this option is correct.  In which accepts of option A, all options are wrong that can be described as follows:

  • In option B, It is wrong, because the user may not understand binary language, and he can also be writing some wrong code that is converted in binary code, that will increase error.
  • In option C and option D, is incorrect because all the data that is stored in the computer is in the form of binary code.

4 0
3 years ago
write a program that keeps names and email addresses in a dictionary as key-value pairs. the program should display a menu that
erma4kov [3.2K]

To write a program that keeps names and email addresses in a dictionary as key-value pairs check the code given below.

<h3>What is key-value pairs?</h3>

In a key-value pair, two related data elements are combined: a value, which is a variable that belongs to the set (for example, male/female, green, 100), and a key, which is a constant that defines the data set (for example, gender, color, price).

A key-value pair could look something like this when fully formed:

gender = male

color = green

price > 100

↓↓↓//<u>Python code</u>//↓↓↓

import pickle

import sys

try:

   f=open('email.dat','rb')

   d=pickle.load(f)  

   f.close()

     

except:    

   d={}

while True:

   print('\n1. Find a email address')

   print('2. Add name and email address')

   print('3. Change an email address')

   print('4. Delete an email address')

   print('5. Exit\n')

   choice=input('\nEnter a choice: ')

   if choice:

       choice=int(choice)

   else:

       print('\nEnter a number')

       continue    

   if choice == 1:

       while True:

           name=input('\nEnter the name ')

           if name:

               if name in d:

                   print('\n%s is the email id of %s \n' % (d[name],name))

                   break

               else:

                   print('\n Email not found \n')

                   break

           else:

               print('\nName cannot be empty\n')

               continue

           

   elif choice==2:

       while True:            

       

           name=input('\nEnter the name ')

           if name:

               break;

           else:

               print('\nName cannot be empty \n')

               continue

       while True:            

       

           email=input('\nEnter the email address ')

           if email:

               d[name]=email

               break

           else:

               print('\nEmail cannot be empty\n')

               continue

           

   elif choice==3:

       while True:            

       

           name=input('\nEnter the name to change the email address ')

           if name:

               if name in d:

                   email=input('\nEnter the new email address ')

                   d[name]=email

                   print('\nEmail address changed \n')

                   break;

               else:

                   print('\nName not found \n')

                   break

           else:

               print('\nName cannot be empty \n')

               continue

           

   elif choice == 4:

       while True:            

       

           name=input('\nEnter the name to remove ')

           if name:

               if name in d:

                   del d[name]

                   print('\nName and Email address removed \n ')

                   break;

               else:

                   print('\nName not found \n')

                   break

           else:

               print('\nName cannot be empty\n')

               continue

   elif choice == 5:

       

       f=open('email.dat','wb')

       pickle.dump(d,f)

       f.close()

       sys.exit()

   else:

       print('\nEnter a valid choice ')    

Learn more about key-value pair

brainly.com/question/29414672

#SPJ1

3 0
1 year ago
King(a. has eaten b.ate c.had eaten) when Airah called​
Alenkinab [10]

Answer:

c

Explanation:

king had eaten when Airah called

3 0
3 years ago
The class ________ is the portion of a class that is visible to the application's programmer.
Lady_Fox [76]

The correct option to this question is class interface.

The class interface is the portion of a class that is visible to the application’s programmer. Class interfaces mean implementation of public methods of the class. These class interfaces of the class are easily visible to the application’s program either the one who is developing the application program or the one who is reading the application’s code.

Class interface can be seen by the other classes as its public face. Class interfaces separate the class’s implementation and its interaction with other classes. That way the implementation of the class can be modified easily without being known by other classes. Basically, the programmer who is developing the program, all the portions of the programm is visible to that programmer.

For example, the class is written below:

class class-name

{

private members;

public method()

{

//method defination

}

}

when the class object is created, the code of the object to the programmer is visible.

<u>While the other options are incorrect:</u>

  • Form: the form is used to collect information from the user. It can be build using front-end development tools
  • Design: Design is a term used in computer or software engineering to make something from scratch or beginning. It can be  methodologies, standards, or techniques etc.
  • Control: Control is the mechanism or a term used in software development to control the program or execution of the program.

You can learn more about class interface at

brainly.com/question/13089781

#SPJ4

The complete question is found while searching over internet:

"

<em>The class ________ is the portion of a class that is visible to the application's programmer.</em>

  • <em>Interface</em>
  • <em>Form</em>
  • <em>Design</em>
  • <em>Control </em>

"

7 0
1 year ago
One of the jobs of the webmaster are to create a website<br>true or false
Talja [164]

true is the correct answer

8 0
3 years ago
Read 2 more answers
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